TY - RPRT TI - Quality-assurance data for routine water analyses by the U.S. Geological Survey Laboratory in Troy, New York, May 1991 through June 1993 AU - T.A. Lincoln AU - D. A. Horan-Ross AU - M.L. Olson AU - G.B. Lawrence PY - 1996 DO - 10.3133/ofr96167 UR - https://pubs.usgs.gov/publication/ofr96167 ID - ofr96167 ER -